Made with forged aluminum technology. Ceramic, reinforced nonstick surface. Includes 2 cotton pot holders with silicone grip. Dishwasher-safe. Oven-safe up to 550 degrees F. Compatible with any cooktop. Kick up the heat in your kitchen and enjoy new recipes with the help of the Tramontina Limited Editions LYON 6 Qt Covered Square Roaster â€“ Sapphire. This versatile roaster lets you get creative with fun techniques that expand your culinary options. Its forged aluminum technology and ceramic, reinforced nonstick surface make it durable and easy to clean. It's dishwasher-safe, of course it's oven-safe up to 550 degrees F, plus you can use it on gas, electric, or glass cooktops. Includes two pot holders with silicone grips.